I am very happy with my 105 group. I had a Fuji newest the LBS talked me into, entry level bike with sora and I was very unhappy, I returned it and purchased a better bike. The shifting is smooth almost unoticeable to me. I don't race either just group rides rec, commute and such. So I think it was a good buy. If I had xtra $ to put into a bike I would still keep my 105 and upgrade on frame fit..